Niandan
Niandan | ||
The Niandan (center below) |
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Data | ||
location | Guinea | |
River system | Niger | |
Drain over | Niger → Atlantic | |
source | about 30 km west of the city of Kissidougou 9 ° 14 ′ 12 ″ N , 19 ° 23 ′ 28 ″ W |
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Source height | 609 m | |
muzzle | from the right into the upper reaches of the Niger Coordinates: 10 ° 39 ′ 51 ″ N , 9 ° 41 ′ 8 ″ W 10 ° 39 ′ 51 ″ N , 9 ° 41 ′ 8 ″ W |
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Mouth height | 357 m | |
Height difference | 252 m | |
Bottom slope | about 1.4 ‰ | |
length | about 180 km | |
Catchment area | about 12,800 km² | |
Discharge at the Baro gauge (1634420) A Eo : 12,770 km² Location: 16 km above the mouth |
NNQ (min. Month Ø) MNQ 1947–1979 MQ 1947–1979 Mq 1947–1979 MHQ 1947–1979 HHQ (max. Month Ø) |
2 m³ / s 20.4 m³ / s 251 m³ / s 19.7 l / (s km²) 770 m³ / s 1109 m³ / s |
The Niandan in the upper reaches of Kissidougou |
The Niandan is a right tributary of the Niger in Guinea .
course
The river has its source about 30 km west of the city of Kissidougou at an altitude of about 600 m. It flows first to the east, then around Kissidougou, for a short distance further to the northwest, and finally to steer in a north-northeast direction towards its mouth. After about 180 km it flows into the Niger near the town of Baro .
Hydrometry
Average monthly flow of the Niandan measured at the hydrological station at Baro, 16 km from the mouth, in m³ / s